CaratHunter
Plans
Marquise|Lab Grown|IGI

3.05ct F VVS1 Marquise Lab Grown Diamond

VG • F/VVS1 • IGI LG850678919

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850678919

Diamond specifications and retailer prices

From £507 GBP
As of November 1, 2026
Save £2,599 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,106 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG850678919 or 850678919. Listed at 17 retailers as of November 1, 2026, with prices from £507 to £3,106, a £2,599 spread on the same certified stone. Brilliant Earth lists it at £3,106. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.05
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850678919
Dimensions15.41 × 7.40 × 4.69 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.41 mm7.40 mm3.05 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850678919
Side View
Table 62.0%Crown 37°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,106 GBP|Low: £507 GBP|High: £3,106 GBP|Avg: £1,334 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 15£507 GBP
Retailer 9£521 GBP
Retailer 10£622 GBP
Retailer 4£672 GBP
Retailer 8£773 GBP
Retailer 12£890 GBP
Retailer 2£1,221 GBP
Retailer 5£1,227 GBP
Retailer 14£1,253 GBP
Retailer 13£1,296 GBP
Retailer 6£1,317 GBP
Retailer 17£1,518 GBP
Retailer 7£1,842 GBP
Retailer 16£1,898 GBP
Retailer 3£2,188 GBP
Retailer 11£2,268 GBP
Brilliant Earth£3,106 GBP

7 data points across 17 retailers

17 retailers£507 GBP to £3,106 GBP

A
Cheapest Retailer
-
£507 GBP
A
Retailer 2
-
£521 GBP
View
Final sale: no returns
A
Retailer 3
-
£622 GBP
View
A
Retailer 4
-
£672 GBP
View
A
Retailer 5
-
£773 GBP
View
A
Retailer 6
-
£890 GBP
View
B+
Retailer 7
-
£1,221 GBP
View
B+
Retailer 8
-
£1,227 GBP
View
B+
Retailer 9
-
£1,253 GBP
View
B
Retailer 10
-
£1,296 GBP
View
B+
Retailer 11
-
£1,317 GBP
View
B
Retailer 12
-
£1,518 GBP
View
B
Retailer 13
-
£1,842 GBP
View
B
Retailer 14
-
£1,898 GBP
View
B
Retailer 15
-
£2,188 GBP
View
B
Retailer 16
-
£2,268 GBP
View
Most Expensive
B
Brilliant Earth
22377420A · Nov 4
£3,106 GBP
$4,180 USD
View
16 more retailers have this diamond
Prices start from £507 GBPSave up to £2,599 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.05ct Marquise
£507 GBP